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Vinvika [58]
4 years ago
13

5x-9y-42=?(x+6)-9(y+?)

Mathematics
2 answers:
LenaWriter [7]4 years ago
4 0

Answer: I don’t understand

Step-by-step explanation:

Ludmilka [50]4 years ago
3 0

Answer:

5 8

Step-by-step explanation:

Coefficient of x should be 5 so first ? should be 5 let the second ? = z

5×6-9×z=-42

30+42=9z

z=8

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